Luminaire



FIG. 1 is a top isometric view of an ornamental design for a luminaire;

FIG. 2 is a bottom isometric view of the luminaire of FIG. 1;

FIG. 3 is a front elevation view, which is identical to the back elevation, right side elevation, and left side elevation views, of the luminaire of FIG. 1;

FIG. 4 is a top plan view of the luminaire of FIG. 1; and,

FIG. 5 is a bottom plan view of the luminaire of FIG. 1.

The broken lines (where present) in all FIGS. illustrate portions of the luminaire that form no part of the claimed design. 

CLAIM The ornamental design for the luminaire, as shown and described. 